What it isHydrocolloid spot patches from Pyunkang Yul in 4 sizes for targeted blemish care — absorb impurities, flatten spots, and protect with calming herbal actives.What it doesHydrocolloid technology draws out impurities and excess sebum from active blemishes while calming herbal actives reduce redness and support faster recovery. Four different sizes provide the right patch for every blemish type — from small emerging spots to larger surface blemishes. Discreet and comfortable for day or overnight wear.Key Benefits Hydrocolloid draws out impurities and flattens active blemishes Calming herbal actives reduce redness and speed recovery 4 sizes for all blemish types and locations Discreet for day or overnight wear How to useApply to clean, dry skin over the blemish. Leave for several hours or overnight. Remove gently and follow with your normal routine.